Daily Dose

Men's Sperm Counts Fall Drastically, Worldwide

In less than 40 years, sperm counts—the best measure of male fertility currently available—have declined more than 50 percent in men in North America, Europe, Australia, and New Zealand. Results of a meta-analysis of thousands of previous studies pub...

Do You Have Prediabetes? Take This Short Quiz to Find Out

On Tuesday, the Centers for Disease Control and Prevention (CDC) launched a campaign to raise awareness of the risks of prediabetes, a dangerous condition that affects one in three Americans, about 84 million people. Most of these people—about 90 per...

2 Diets for a Healthy Brain: Mediterranean and MIND

Two healthy eating plans—the Mediterranean and MIND diets—pose a lower risk for memory loss and enhance cognitive functioning in older adults, finds a new study published in the Journal of the American Geriatrics Society. The heart-healthy Mediterran...

After Stroke, Risk Remains High

People who have had a stroke—even those without complications—are at increased risk for another cerebrovascular event, including a stroke or mini-stroke (transient ischemic attack, or TIA), for at least five years. Researchers at Sunnybrook Health Sc...

Yes, You Can Buy Happiness: Here's How

People who spend money to buy themselves time—by having lunches delivered to work or hiring a cleaning service, for example—report higher levels of life satisfaction, according to a report published in Proceedings of the National Academy of Sciences. ...

Scientists Find Way to Boost Flu Vaccine Accuracy

To manufacture seasonal flu vaccines each year, scientists use chicken eggs to grow strains of influenza virus that are expected to circulate in the upcoming flu season. But flu vaccines are notoriously ineffective; during the 2015-2016 influenza sea...

Sugary Drinks Trigger Fat Storage

A small study conducted by the U.S. Department of Agriculture suggests that adding a sugary drink to a high-protein meal decreases the effectiveness of the body’s fat-burning mechanism by about 8 percent. In addition, this combination of foods and be...

Why Your Rush-Hour Commute May Be Making You Sick

Exposure to pollution during rush hour may be worse than previously thought, according to an alarming new study. Researchers discovered in-car measurements of harmful pollutants may be twice as high as previously believed. Most traffic pollution sens...

How Your Vacation Can Make You Healthier

The benefits of taking time off for a relaxing summer vacation or long weekend getaway are well known. A good vacation can rejuvenate you, reduce stress, and even increase your productivity when you return to work. But did you know vacation time can ...